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(-1) × (-1) × (-1) × ......... (2m + 1) times, where m is a natural number, is equal to:

  • a)
    -1

  • b)
    1

  • c)
    1 or -1

  • d)
    none of these

Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
(-1) × (-1) × (-1) × .........(2m + 1) times, where ...
Write down the given expression
The given expression is
( - 1) × ( - 1) × ( - 1) × ____ 2m times where m is a natural number,

Since m is a natural number
So 2m is even
Thus we get
( - 1) × ( - 1) × ( - 1) × ____ 2m times
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(-1) × (-1) × (-1) × .........(2m + 1) times, where ...
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(-1) × (-1) × (-1) × .........(2m + 1) times, where m is a natural number, is equal to:a)-1b)1c)1 or -1d)none of theseCorrect answer is option 'B'. Can you explain this answer?
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